Matthew Abraham Groening is an American cartoonist, writer, producer, animator, and voice actor. He is the creator of the comic strip Life in Hell and the television series The Simpsons, Futurama, and Disenchantment. The Simpsons is the longest-running U.S. primetime-television series in history and the longest-running U.S. animated series and sitcom. Groening made his first professional cartoon sale of Life in Hell to the avant-garde Wet magazine in 1978.